The 2003 Castle Point Borough Council election took place on 1 May 2003 to elect members of Castle Point Borough Council in Essex, England. The whole council was up for election after boundary changes increased the number of seats by 2.^[1] The Conservative party gained overall control of the council from the Labour party.^[2]

The Conservatives took control of the council after gaining 22 seats to have 39 of the 41 councillors.^[3] Meanwhile, Labour was reduced to only 2 councillors after losing 19 seats.^[3] Overall turnout at the election was 26.8%, down from 32% at the 1999 election.^[4]

Among the Labour councillors to be defeated were the leader of the council Dave Wells and the mayor Charles Smith.^[5]